Finding the Fourth Proportional to 5,300.65, 7,314.86 and 2,942.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.65 : 7,314.86 = 2,942.80 : x
2. Step 2: Convert to fraction form
   5,300.65/7,314.86 = 2,942.80/x
3. Step 3: Cross multiply
   5,300.65x = 7,314.86 × 2,942.80
4. Step 4: Simplify right side
   5,300.65x = 21,526,118.72
5. Step 5: Solve for x
   x = 21,526,118.72/5,300.65
6. Step 6: Final answer
   x = 4,061.04